Solve the problem using Snell's Law: 
= 
.A ray of light near the horizon with an angle of incidence of 79° enters a pool of water and strikes a fish's eye. If the index of refraction is 1.33, what is the angle of refraction (to two decimal places)?
A. 42.43°
B. 47.57°
C. 44.58°
D. 45.42°
Answer: B
Mathematics
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Factor completely. If a polynomial cannot be factored, say it is prime.9x2 + x - 10
A. (9x + 1)(x - 10) B. (9x + 10)(x - 1) C. (9x - 1)(x + 10) D. (9x - 10)(x + 1)
Mathematics
Divide, when possible.14 ÷ 14
A. Undefined B. 1 C. 14 D. 0
Mathematics
First estimate the answer. Then add or subtract to find the exact answer. Write answer as a mixed number.
A. Estimate: 13; Exact: 
B. Estimate: 13; Exact: 
C. Estimate: 14; Exact: 
D. Estimate: 14; Exact: 
Mathematics
Suppose tile for a 12ft by 8ft room cost $300. Find the cost to tile a 24ft by 16ft room.
a. $960 b. $1,480 c. $1,200 d. $384
Mathematics